hwspinlock: remove MODULE_LICENSE in non-modules

Since commit 8b41fc4454 ("kbuild: create modules.builtin without
Makefile.modbuiltin or tristate.conf"), MODULE_LICENSE declarations
are used to identify modules. As a consequence, uses of the macro
in non-modules will cause modprobe to misidentify their containing
object file as a module when it is not (false positives), and modprobe
might succeed rather than failing with a suitable error message.

So remove it in the files in this commit, none of which can be built as
modules.

Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Suggested-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: linux-modules@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Hitomi Hasegawa <hasegawa-hitomi@fujitsu.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: linux-remoteproc@vger.kernel.org
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>

drivers/hwspinlock/hwspinlock_core.c

@@ -949,6 +949,5 @@ struct hwspinlock *devm_hwspin_lock_request_specific(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(devm_hwspin_lock_request_specific);
 
-MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("Hardware spinlock interface");
 MODULE_AUTHOR("Ohad Ben-Cohen <ohad@wizery.com>");